Lecture6_1

# Lecture6_1 - AME 331 Introduction to Fluid Mechanics...

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10/12/2010 1 AME 331 Introduction to Fluid Mechanics Chapter 6: Incompressible Inviscid Flow Prof. Jesse Little University of Arizona 10/13/10 1 Lecture Preview and Assignments Today 6.1-6.2 Read Chapter 6.3 for next time Video “Pressure Fields and Fluid Acceleration” Homework 6 due Friday 2

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10/12/2010 2 Euler’s Equation (6-1) Chapter 5 we derived Navier Stokes It was ugly, but powerful. We can’t do much with this complicated expression in AME 331 We will simplify it and find that it is still applicable to many flows of interest Lots of applications in aerodynamics Simplifications: incompressible and constant viscosity gave: Inviscid gave: 3 Euler’s Equation (6-1) We will also employ conservation mass: Incompressible form Back to Euler (i.e. momentum) This is a simplified form of F=ma for a fluid element What does Euler’s Equation mean in words? For inviscid flow, the change in momentum of a fluid particle
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Lecture6_1 - AME 331 Introduction to Fluid Mechanics...

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